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CIRCUIT DESIGN SLR-434M, Operation Manual

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CIRCUIT DESIGN SLR-434M Operation Manual Download Page 9

OPERATION GUIDE

OG_SLR-434M_v10e

Circuit Design, Inc.

9

6. Appearance

Note: When designing circuit boards, take care to ensure space for the SMA connector
dimensions and screw fixture for connecting the antenna. (If the underside of the connector is
also the surface of the substrate, provide a notch or the like)

PCB

Summary of Contents for SLR-434M

Page 1: ...sign Inc Embedded low power radio modem SLR 434M Smart RF modem Operation Guide Version 1 0 Jan 2018 Circuit Design Inc 7557 1 Hotaka Azumino Nagano Japan Tel 0263 82 1024 Fax 0263 82 1016 e mail info...

Page 2: ...nts 1 OVERVIEW 3 2 FEATURES AND APPLICATIONS 3 3 SPECIFICATIONS 4 4 PART NAMES AND FUNCTIONS 5 5 CONNECTION EXAMPLES FOR DIO TERMINALS 8 6 APPEARANCE 9 7 COMMUNICATION FREQUENCY TABLE 10 8 UART PORT C...

Page 3: ...to 8 contacts 2 Features and applications Features RED compliant Plan Ultra long distance communication using the LoRa mode Enhanced resistant to city noise and longer range compared with our earlier...

Page 4: ...orage temperature range 30 to 80 C Recommended operating voltage range 3 5 to 5 0 V Warranted operating voltage range 3 3 to 5 5 V Operating current Tx 29 mA Typ Rx 17 mA Typ Supply power 5 V Antenna...

Page 5: ...bps Bits 8 Parity none Stop 1 Serial data Transmitter RXD I Serial data Receiver RTS O The UART control terminal When RTS Hi do not input data Hardware flow control output terminal CTS I The UART cont...

Page 6: ...LORA CMD MODE or FSK CMD MODE is output from the TXD terminal after the device restarts After reset and restart the device is initialized to the setting value saved by adding W to commands such as ch...

Page 7: ...he transmission monitor LED connection terminal Lo Active When a radio wave communication signal is sent this terminal changes to Lo GND The ground terminal VCC The power supply terminal Connect to a...

Page 8: ...nal level inverted via a transistor Using long wiring between the DIO terminal and the switch may cause malfunction due to noise In that case take measures such as externally pulling down with a resis...

Page 9: ...6 Appearance Note When designing circuit boards take care to ensure space for the SMA connector dimensions and screw fixture for connecting the antenna If the underside of the connector is also the su...

Page 10: ...4F 434 0625 12 0C 433 2250 46 2E 433 6500 80 50 434 0750 13 0D 433 2375 47 2F 433 6625 81 51 434 0875 14 0E 433 2500 48 30 433 6750 82 52 434 1000 15 0F 433 2625 49 31 433 6875 83 53 434 1125 16 10 43...

Page 11: ...34 000 MHz for shipment If you intend to use several SLR 434M units in the same area use a channel plan that takes into account radio interference due to third order intermodulation Circuit Design pro...

Page 12: ...D setting Equipment Target station Group ID EI DI GI 0A With Equipment ID EI 0A Sets the Equipment ID local station to 0A Sets the ID for identifying each radio station and the other party in communic...

Page 13: ...fter command value data optional add the line feed code CR LF If you omit value data you can check the content of the current settings If the optional W is added the setting value is saved and it beco...

Page 14: ...cuits and reverse connections may result in overheating and damage and must be avoided at all costs Ensure that the power supply has been switched off before attempting any wiring work The case is con...

Page 15: ...vision History Version Date Description Remark 0 91 Feb 2017 Provisional Edition 1 0 Jan 2018 The copyright of this manual belongs to Circuit Design Inc Reproduction duplication or modification of par...

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